Linear Equations Test

Find the slope-intercept form of the equation of the line that passes through the points (-4, -5) and (-2, -1).

• A. y = 2x+3
• B. y = -2x + 3
• C. y = -2x - 3
• D. y = 2x - 3

Find the slope-intercept form of the equation of the line that passes through the point (1, -5) and has a slope of -2.

• A. y = 2x + 3
• B. y = -2x - 3
• C. y = 2x - 3
• D. y = -2x + 3

Find a linear equation in slope-intercept form that models the situation. A computer repair person charges $45 plus $35 per hour.

• A. C=45(35) + x
• B. C = 35 + 45x
• C. 45 = 35 C + x
• D. C = 45 + 35x

Which shows the equation in slope-intercept form?

• A. y=2/3x + 5
• B. 3y = 2x + 15
• C. y = 2/3x + 53
• D. 2x + 3y = -15

Which shows the equation in standard form?

• A. y = -2/3x - 1/3
• B. 2x-3y = -11
• C. y = -2/3x + 11/3
• D. 2x-3y = -43

Which of the following is the graph of x + y = 9?

• A
• B
• C
• D

A thunderstorm is 180 miles away from Sara's house. It is moving toward her house at a rate of 15 miles per hour. Which equation relates the distance in miles, y, the storm is from Sara's house after x hours?

• A. y = 180 – 15x
• B. y = (180 – 15)x
• C. y = 180x – 15
• D. y = 180 + 15x

Write in slope-intercept form the equation of a line having slope 6 and y-intercept -7.

• A. x=6y-7
• B. y=6x+7
• C. y=6x-7
• D. y=16x+7

The cost of a school banquet is $85 plus $9 for each person attending. Determine the linear equation that models this problem. What is the cost for 48 people?

• A. y=9x-85; $347
• B. y=85x -9; $4,071
• C. y=85x+9; $4,089
• D. y=9x+85; $517

Describe what the graph of the equation y = -2 would look like.

• A. Diagonal line with a slope of -2 and y- intercept of 0
• B. Vertical line intersecting the x-axis at -2
• C. Horizontal line intersecting the y-axis at -2
• D. Vertical line crossing the y-axis at -2.